The signs released by the U.S. Army Corps of Engineers warn of "low-level radioactive materials present" near Coldwater Creek in St. Louis. Federal officials plan to post warning signs along a ...

Ian Lowe was for 12 years a member of the Radiation Health and Safety Advisory Council, which advises the regulator of nuclear issues. He was also a member of the Expert Advisory Committee for the ...

For decades, a graveyard of corroding barrels has littered the seafloor just off the coast of Los Angeles. It was out of sight, out of mind — a not-so-secret secret that haunted the marine environment ...

RICHLAND – More than two decades after construction of the Hanford nuclear site’s massive vitrification plant began, the plant has taken one of the final steps to begin treating waste for disposal as ...

Note to readers • This story is made possible through a partnership between The Salt Lake Tribune and Grist, a nonprofit environmental media organization. A Utah company wants to import massive ...